DataGridViewAddColumnDialog.cs source code in C# .NET

Source code for the .NET framework in C#

                        

Code:

/ DotNET / DotNET / 8.0 / untmp / whidbey / REDBITS / ndp / fx / src / Designer / WinForms / System / WinForms / Design / DataGridViewAddColumnDialog.cs / 1 / DataGridViewAddColumnDialog.cs

                            using System; 
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.ComponentModel.Design; 
using System.ComponentModel.Design.Serialization;
using System.Windows.Forms; 
using System.Diagnostics; 
using System.Data;
using System.Design; 
using System.Globalization;

namespace System.Windows.Forms.Design
{ 
    /// 
    /// Summary description for DataGridViewAddColumnDialog. 
    ///  
    internal class DataGridViewAddColumnDialog : System.Windows.Forms.Form
    { 
        private System.Windows.Forms.RadioButton dataBoundColumnRadioButton;
        private System.Windows.Forms.Label columnInDataSourceLabel;

        private System.Windows.Forms.ListBox dataColumns; 

        private System.Windows.Forms.RadioButton unboundColumnRadioButton; 
        private System.Windows.Forms.TextBox nameTextBox; 

        private System.Windows.Forms.ComboBox columnTypesCombo; 

        private System.Windows.Forms.TextBox headerTextBox;
        private System.Windows.Forms.Label nameLabel;
 
        private System.Windows.Forms.Label typeLabel;
 
        private System.Windows.Forms.Label headerTextLabel; 
        private System.Windows.Forms.CheckBox visibleCheckBox;
 
        private System.Windows.Forms.CheckBox readOnlyCheckBox;

        private System.Windows.Forms.CheckBox frozenCheckBox;
        private System.Windows.Forms.Button addButton; 

        private System.Windows.Forms.Button cancelButton; 
 
        private System.Windows.Forms.DataGridViewColumnCollection dataGridViewColumns;
        private System.Windows.Forms.DataGridView liveDataGridView; 
        private int insertAtPosition = -1;
        private int initialDataGridViewColumnsCount = -1;
        private bool persistChangesToDesigner = false;
 
        private static Type dataGridViewColumnType = typeof(System.Windows.Forms.DataGridViewColumn);
        private static Type iDesignerType = typeof(System.ComponentModel.Design.IDesigner); 
        private static Type iTypeResolutionServiceType = typeof(System.ComponentModel.Design.ITypeResolutionService); 
        private static Type iTypeDiscoveryServiceType = typeof(System.ComponentModel.Design.ITypeDiscoveryService);
        private static Type iComponentChangeServiceType = typeof(System.ComponentModel.Design.IComponentChangeService); 
        private static Type iHelpServiceType = typeof(System.ComponentModel.Design.IHelpService);
        private static Type iUIServiceType = typeof(System.Windows.Forms.Design.IUIService);
        private static Type iDesignerHostType = typeof(System.ComponentModel.Design.IDesignerHost);
        private static Type iNameCreationServiceType = typeof(System.ComponentModel.Design.Serialization.INameCreationService); 
        private static Type dataGridViewColumnDesignTimeVisibleAttributeType = typeof(DataGridViewColumnDesignTimeVisibleAttribute);
 
        private static Type[] columnTypes = new Type[] { 
            typeof(DataGridViewButtonColumn),
            typeof(DataGridViewCheckBoxColumn), 
            typeof(DataGridViewComboBoxColumn),
            typeof(DataGridViewImageColumn),
            typeof(DataGridViewLinkColumn),
            typeof(DataGridViewTextBoxColumn) 
        };
        private TableLayoutPanel okCancelTableLayoutPanel; 
        private TableLayoutPanel checkBoxesTableLayoutPanel; 
        private TableLayoutPanel overarchingTableLayoutPanel;
 
        /// 
        /// Required designer variable.
        /// 
        private System.ComponentModel.IContainer components = null; 

        public DataGridViewAddColumnDialog(DataGridViewColumnCollection dataGridViewColumns, DataGridView liveDataGridView) 
        { 
            this.dataGridViewColumns = dataGridViewColumns;
            this.liveDataGridView = liveDataGridView; 

            // PERF: set the Dialog Font before InitializeComponent.
            //
            Font uiFont = Control.DefaultFont; 
            IUIService uiService = (IUIService) this.liveDataGridView.Site.GetService(iUIServiceType);
            if (uiService != null) { 
                uiFont = (Font) uiService.Styles["DialogFont"]; 
            }
            this.Font = uiFont; 

            //
            // Required for Windows Form Designer support
            // 
            InitializeComponent();
 
            // put this code in the constructor because we want to keep the dataBoundColumnRadioButton.Checked state 
            // when the user closes and reopens the add column dialog
            EnableDataBoundSection(); 
        }

        // consolidate all the information from the dialog into a data grid view column
        // and insert it in the data grid view column collection 
        private void AddColumn()
        { 
            Type columnType = ((ComboBoxItem) this.columnTypesCombo.SelectedItem).ColumnType; 

            DataGridViewColumn column = System.Activator.CreateInstance(columnType) as DataGridViewColumn; 

            // if we want to insert a column before a frozen column then make sure that we insert a frozen column
            bool forceColumnFrozen = this.dataGridViewColumns.Count > this.insertAtPosition && this.dataGridViewColumns[this.insertAtPosition].Frozen;
 
            column.Frozen = forceColumnFrozen;
 
            // if we don't persist changes to the designer then we want to add the columns before 
            // setting the Frozen bit
            if (!persistChangesToDesigner) 
            {
                // set the header text because the DataGridViewColumnCollection needs it to compute
                // its listbox'x HorizontalOffset
                column.HeaderText = this.headerTextBox.Text; 
                column.Name = this.nameTextBox.Text;
                column.DisplayIndex = -1; 
                this.dataGridViewColumns.Insert(this.insertAtPosition, column); 
                insertAtPosition ++;
            } 

            // if we persist changes directly to the designer then:
            // 1. set the column property values
            // 2. Add the new column 
            // 3. site the column
 
            // 1. set the property values in the column 
            //
            column.HeaderText = this.headerTextBox.Text; 
            column.Name = this.nameTextBox.Text;
            column.Visible = this.visibleCheckBox.Checked;
            column.Frozen = this.frozenCheckBox.Checked || forceColumnFrozen;
            column.ReadOnly = this.readOnlyCheckBox.Checked; 

            if (this.dataBoundColumnRadioButton.Checked && dataColumns.SelectedIndex > -1) 
            { 
                column.DataPropertyName = ((ListBoxItem)dataColumns.SelectedItem).PropertyName;
            } 

            if (this.persistChangesToDesigner)
            {
                try 
                {
                    // insert the column before siting the column. 
                    // if DataGridView throws an exception then the designer does not end up w/ a column that is not in any data grid view. 
                    column.DisplayIndex = -1;
                    this.dataGridViewColumns.Insert(insertAtPosition, column); 
                    insertAtPosition ++;
                    // site the column
                    this.liveDataGridView.Site.Container.Add(column, column.Name);
                } 
                catch (System.InvalidOperationException ex)
                { 
                    IUIService uiService = (IUIService) this.liveDataGridView.Site.GetService(typeof(IUIService)); 
                    DataGridViewDesigner.ShowErrorDialog(uiService, ex, this.liveDataGridView);
                    return; 
                }
            }

            // Set the UserAddedColumn property to true. 
            PropertyDescriptorCollection props = TypeDescriptor.GetProperties(column);
            PropertyDescriptor pd = props["UserAddedColumn"]; 
            if (pd != null) 
            {
                pd.SetValue(column, true); 
            }

            // pick a new Column name
            // 
            this.nameTextBox.Text = this.headerTextBox.Text = this.AssignName();
            this.nameTextBox.Focus(); 
        } 

        private string AssignName() 
        {
            int colId = 1;
            // string columnName = SR.GetString(SR.DataGridView_ColumnName, colId.ToString());
            string columnName = "Column" + colId.ToString(CultureInfo.InvariantCulture); 

            IDesignerHost host = null; 
            IContainer container = null; 

            host = this.liveDataGridView.Site.GetService(iDesignerHostType) as IDesignerHost; 
            if (host != null)
            {
                container = host.Container;
            } 

            while(!System.Windows.Forms.Design.DataGridViewAddColumnDialog.ValidName(columnName, 
                                      this.dataGridViewColumns, 
                                      container,
                                      null /*nameCreationService*/, 
                                      this.liveDataGridView.Columns,
                                      !this.persistChangesToDesigner))
            {
                colId ++; 
                // columnName = SR.GetString(SR.DataGridView_ColumnName, colId.ToString());
                columnName = "Column" + colId.ToString(CultureInfo.InvariantCulture); 
            } 

            return columnName; 
        }

        /// 
        /// Clean up any resources being used. 
        /// 
        protected override void Dispose( bool disposing ) 
        { 
            if( disposing )
            { 
                if (components != null)
                {
                    components.Dispose();
                } 
            }
            base.Dispose( disposing ); 
        } 

        private void EnableDataBoundSection() 
        {
            bool dataGridViewIsDataBound = this.dataColumns.Items.Count > 0;
            if (dataGridViewIsDataBound)
            { 
                this.dataBoundColumnRadioButton.Enabled = true;
                this.dataBoundColumnRadioButton.Checked = true; 
                this.dataBoundColumnRadioButton.Focus(); 
                this.headerTextBox.Text = this.nameTextBox.Text = this.AssignName();
            } 
            else
            {
                this.dataBoundColumnRadioButton.Enabled = false;
                this.unboundColumnRadioButton.Checked = true; 
                this.nameTextBox.Focus();
                this.headerTextBox.Text = this.nameTextBox.Text = this.AssignName(); 
            } 
        }
 
        //
        // public because the EditColumns dialog wants to use it as well.
        //
        public static ComponentDesigner GetComponentDesignerForType(ITypeResolutionService tr, Type type) 
        {
            ComponentDesigner compDesigner = null; 
            DesignerAttribute designerAttr = null; 
            AttributeCollection attributes = TypeDescriptor.GetAttributes(type);
            for (int i = 0; i < attributes.Count; i ++) 
            {
                DesignerAttribute da = attributes[i] as DesignerAttribute;
                if (da != null)
                { 
                    Type daType = Type.GetType(da.DesignerBaseTypeName);
                    if (daType != null && daType == iDesignerType) 
                    { 
                        designerAttr = da;
                        break; 
                    }
                }
            }
 
            if (designerAttr != null)
            { 
                Type designerType = null; 
                if (tr != null)
                { 
                    designerType = tr.GetType(designerAttr.DesignerTypeName);
                }
                else
                { 
                    designerType = Type.GetType(designerAttr.DesignerTypeName);
                } 
 
                if (designerType != null && typeof(System.ComponentModel.Design.ComponentDesigner).IsAssignableFrom(designerType))
                { 
                    compDesigner = (ComponentDesigner) System.Activator.CreateInstance(designerType) as ComponentDesigner;
                }
            }
 
            return compDesigner;
        } 
 
        #region Windows Form Designer generated code
        ///  
        /// Required method for Designer support - do not modify
        /// the contents of this method with the code editor.
        /// 
        private void InitializeComponent() 
        {
            System.ComponentModel.ComponentResourceManager resources = new System.ComponentModel.ComponentResourceManager(typeof(DataGridViewAddColumnDialog)); 
            this.dataBoundColumnRadioButton = new System.Windows.Forms.RadioButton(); 
            this.overarchingTableLayoutPanel = new System.Windows.Forms.TableLayoutPanel();
            this.checkBoxesTableLayoutPanel = new System.Windows.Forms.TableLayoutPanel(); 
            this.frozenCheckBox = new System.Windows.Forms.CheckBox();
            this.visibleCheckBox = new System.Windows.Forms.CheckBox();
            this.readOnlyCheckBox = new System.Windows.Forms.CheckBox();
            this.okCancelTableLayoutPanel = new System.Windows.Forms.TableLayoutPanel(); 
            this.addButton = new System.Windows.Forms.Button();
            this.cancelButton = new System.Windows.Forms.Button(); 
            this.columnInDataSourceLabel = new System.Windows.Forms.Label(); 
            this.dataColumns = new System.Windows.Forms.ListBox();
            this.unboundColumnRadioButton = new System.Windows.Forms.RadioButton(); 
            this.nameLabel = new System.Windows.Forms.Label();
            this.nameTextBox = new System.Windows.Forms.TextBox();
            this.typeLabel = new System.Windows.Forms.Label();
            this.columnTypesCombo = new System.Windows.Forms.ComboBox(); 
            this.headerTextLabel = new System.Windows.Forms.Label();
            this.headerTextBox = new System.Windows.Forms.TextBox(); 
            this.overarchingTableLayoutPanel.SuspendLayout(); 
            this.checkBoxesTableLayoutPanel.SuspendLayout();
            this.okCancelTableLayoutPanel.SuspendLayout(); 
            this.SuspendLayout();
            //
            // dataBoundColumnRadioButton
            // 
            resources.ApplyResources(this.dataBoundColumnRadioButton, "dataBoundColumnRadioButton");
            this.dataBoundColumnRadioButton.Checked = true; 
            this.overarchingTableLayoutPanel.SetColumnSpan(this.dataBoundColumnRadioButton, 2); 
            this.dataBoundColumnRadioButton.Margin = new System.Windows.Forms.Padding(0, 0, 0, 3);
            this.dataBoundColumnRadioButton.Name = "dataBoundColumnRadioButton"; 
            this.dataBoundColumnRadioButton.CheckedChanged += new System.EventHandler(this.dataBoundColumnRadioButton_CheckedChanged);
            //
            // overarchingTableLayoutPanel
            // 
            resources.ApplyResources(this.overarchingTableLayoutPanel, "overarchingTableLayoutPanel");
            this.overarchingTableLayoutPanel.AutoSizeMode = System.Windows.Forms.AutoSizeMode.GrowAndShrink; 
            this.overarchingTableLayoutPanel.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle()); 
            this.overarchingTableLayoutPanel.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Absolute, 250F));
            this.overarchingTableLayoutPanel.Controls.Add(this.checkBoxesTableLayoutPanel, 0, 10); 
            this.overarchingTableLayoutPanel.Controls.Add(this.okCancelTableLayoutPanel, 1, 11);
            this.overarchingTableLayoutPanel.Controls.Add(this.dataBoundColumnRadioButton, 0, 0);
            this.overarchingTableLayoutPanel.Controls.Add(this.columnInDataSourceLabel, 0, 1);
            this.overarchingTableLayoutPanel.Controls.Add(this.dataColumns, 0, 2); 
            this.overarchingTableLayoutPanel.Controls.Add(this.unboundColumnRadioButton, 0, 3);
            this.overarchingTableLayoutPanel.Controls.Add(this.nameLabel, 0, 4); 
            this.overarchingTableLayoutPanel.Controls.Add(this.nameTextBox, 1, 4); 
            this.overarchingTableLayoutPanel.Controls.Add(this.typeLabel, 0, 6);
            this.overarchingTableLayoutPanel.Controls.Add(this.columnTypesCombo, 1, 6); 
            this.overarchingTableLayoutPanel.Controls.Add(this.headerTextLabel, 0, 8);
            this.overarchingTableLayoutPanel.Controls.Add(this.headerTextBox, 1, 8);
            this.overarchingTableLayoutPanel.Margin = new System.Windows.Forms.Padding(12);
            this.overarchingTableLayoutPanel.Name = "overarchingTableLayoutPanel"; 
            this.overarchingTableLayoutPanel.RowStyles.Add(new System.Windows.Forms.RowStyle());
            this.overarchingTableLayoutPanel.RowStyles.Add(new System.Windows.Forms.RowStyle()); 
            this.overarchingTableLayoutPanel.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Percent, 100F)); 
            this.overarchingTableLayoutPanel.RowStyles.Add(new System.Windows.Forms.RowStyle());
            this.overarchingTableLayoutPanel.RowStyles.Add(new System.Windows.Forms.RowStyle()); 
            this.overarchingTableLayoutPanel.RowStyles.Add(new System.Windows.Forms.RowStyle());
            this.overarchingTableLayoutPanel.RowStyles.Add(new System.Windows.Forms.RowStyle());
            this.overarchingTableLayoutPanel.RowStyles.Add(new System.Windows.Forms.RowStyle());
            this.overarchingTableLayoutPanel.RowStyles.Add(new System.Windows.Forms.RowStyle()); 
            this.overarchingTableLayoutPanel.RowStyles.Add(new System.Windows.Forms.RowStyle());
            this.overarchingTableLayoutPanel.RowStyles.Add(new System.Windows.Forms.RowStyle()); 
            this.overarchingTableLayoutPanel.RowStyles.Add(new System.Windows.Forms.RowStyle()); 
            //
            // checkBoxesTableLayoutPanel 
            //
            resources.ApplyResources(this.checkBoxesTableLayoutPanel, "checkBoxesTableLayoutPanel");
            this.checkBoxesTableLayoutPanel.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle());
            this.checkBoxesTableLayoutPanel.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle()); 
            this.checkBoxesTableLayoutPanel.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle());
            this.checkBoxesTableLayoutPanel.Controls.Add(this.frozenCheckBox, 2, 0); 
            this.checkBoxesTableLayoutPanel.Controls.Add(this.visibleCheckBox, 0, 0); 
            this.checkBoxesTableLayoutPanel.Controls.Add(this.readOnlyCheckBox, 1, 0);
            this.checkBoxesTableLayoutPanel.Margin = new System.Windows.Forms.Padding(0, 3, 0, 6); 
            this.overarchingTableLayoutPanel.SetColumnSpan(this.checkBoxesTableLayoutPanel, 2);
            this.checkBoxesTableLayoutPanel.Name = "checkBoxesTableLayoutPanel";
            this.checkBoxesTableLayoutPanel.RowStyles.Add(new System.Windows.Forms.RowStyle());
            // 
            // frozenCheckBox
            // 
            resources.ApplyResources(this.frozenCheckBox, "frozenCheckBox"); 
            this.frozenCheckBox.Margin = new System.Windows.Forms.Padding(3, 0, 0, 0);
            this.frozenCheckBox.Name = "frozenCheckBox"; 
            //
            // visibleCheckBox
            //
            resources.ApplyResources(this.visibleCheckBox, "visibleCheckBox"); 
            this.visibleCheckBox.Checked = true;
            this.visibleCheckBox.CheckState = System.Windows.Forms.CheckState.Checked; 
            this.visibleCheckBox.Margin = new System.Windows.Forms.Padding(0, 0, 3, 0); 
            this.visibleCheckBox.Name = "visibleCheckBox";
            // 
            // readOnlyCheckBox
            //
            resources.ApplyResources(this.readOnlyCheckBox, "readOnlyCheckBox");
            this.readOnlyCheckBox.Margin = new System.Windows.Forms.Padding(3, 0, 3, 0); 
            this.readOnlyCheckBox.Name = "readOnlyCheckBox";
            // 
            // okCancelTableLayoutPanel 
            //
            resources.ApplyResources(this.okCancelTableLayoutPanel, "okCancelTableLayoutPanel"); 
            this.okCancelTableLayoutPanel.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent, 50F));
            this.okCancelTableLayoutPanel.ColumnStyles.Add(new System.Windows.Forms.ColumnStyle(System.Windows.Forms.SizeType.Percent, 50F));
            this.okCancelTableLayoutPanel.Controls.Add(this.addButton, 0, 0);
            this.okCancelTableLayoutPanel.Controls.Add(this.cancelButton, 1, 0); 
            this.okCancelTableLayoutPanel.Margin = new System.Windows.Forms.Padding(0, 6, 0, 0);
            this.okCancelTableLayoutPanel.Name = "okCancelTableLayoutPanel"; 
            this.okCancelTableLayoutPanel.RowStyles.Add(new System.Windows.Forms.RowStyle(System.Windows.Forms.SizeType.Percent, 50F)); 
            //
            // addButton 
            //
            resources.ApplyResources(this.addButton, "addButton");
            this.addButton.Margin = new System.Windows.Forms.Padding(0, 0, 3, 0);
            this.addButton.Name = "addButton"; 
            this.addButton.Click += new System.EventHandler(this.addButton_Click);
            // 
            // cancelButton 
            //
            resources.ApplyResources(this.cancelButton, "cancelButton"); 
            this.cancelButton.Margin = new System.Windows.Forms.Padding(3, 0, 0, 0);
            this.cancelButton.Name = "cancelButton";
            this.cancelButton.Click += new System.EventHandler(this.cancelButton_Click);
            // 
            // columnInDataSourceLabel
            // 
            resources.ApplyResources(this.columnInDataSourceLabel, "columnInDataSourceLabel"); 
            this.overarchingTableLayoutPanel.SetColumnSpan(this.columnInDataSourceLabel, 2);
            this.columnInDataSourceLabel.Margin = new System.Windows.Forms.Padding(14, 3, 0, 0); 
            this.columnInDataSourceLabel.Name = "columnInDataSourceLabel";
            //
            // dataColumns
            // 
            resources.ApplyResources(this.dataColumns, "dataColumns");
            this.overarchingTableLayoutPanel.SetColumnSpan(this.dataColumns, 2); 
            this.dataColumns.FormattingEnabled = true; 
            this.dataColumns.Margin = new System.Windows.Forms.Padding(14, 2, 0, 3);
            this.dataColumns.Name = "dataColumns"; 
            this.dataColumns.SelectedIndexChanged += new System.EventHandler(this.dataColumns_SelectedIndexChanged);
            //
            // unboundColumnRadioButton
            // 
            resources.ApplyResources(this.unboundColumnRadioButton, "unboundColumnRadioButton");
            this.overarchingTableLayoutPanel.SetColumnSpan(this.unboundColumnRadioButton, 2); 
            this.unboundColumnRadioButton.Margin = new System.Windows.Forms.Padding(0, 6, 0, 3); 
            this.unboundColumnRadioButton.Name = "unboundColumnRadioButton";
            this.unboundColumnRadioButton.CheckedChanged += new System.EventHandler(this.unboundColumnRadioButton_CheckedChanged); 
            //
            // nameLabel
            //
            resources.ApplyResources(this.nameLabel, "nameLabel"); 
            this.nameLabel.Margin = new System.Windows.Forms.Padding(14, 3, 2, 3);
            this.nameLabel.Name = "nameLabel"; 
            // 
            // nameTextBox
            // 
            resources.ApplyResources(this.nameTextBox, "nameTextBox");
            this.nameTextBox.Margin = new System.Windows.Forms.Padding(3, 3, 0, 3);
            this.nameTextBox.Name = "nameTextBox";
            this.nameTextBox.Validating += new CancelEventHandler(this.nameTextBox_Validating); 
            //
            // typeLabel 
            // 
            resources.ApplyResources(this.typeLabel, "typeLabel");
            this.typeLabel.Margin = new System.Windows.Forms.Padding(14, 3, 2, 3); 
            this.typeLabel.Name = "typeLabel";
            //
            // columnTypesCombo
            // 
            resources.ApplyResources(this.columnTypesCombo, "columnTypesCombo");
            this.columnTypesCombo.DropDownStyle = System.Windows.Forms.ComboBoxStyle.DropDownList; 
            this.columnTypesCombo.FormattingEnabled = true; 
            this.columnTypesCombo.Margin = new System.Windows.Forms.Padding(3, 3, 0, 3);
            this.columnTypesCombo.Name = "columnTypesCombo"; 
            this.columnTypesCombo.Sorted = true;
            //
            // headerTextLabel
            // 
            resources.ApplyResources(this.headerTextLabel, "headerTextLabel");
            this.headerTextLabel.Margin = new System.Windows.Forms.Padding(14, 3, 2, 3); 
            this.headerTextLabel.Name = "headerTextLabel"; 
            //
            // headerTextBox 
            //
            resources.ApplyResources(this.headerTextBox, "headerTextBox");
            this.headerTextBox.Margin = new System.Windows.Forms.Padding(3, 3, 0, 3);
            this.headerTextBox.Name = "headerTextBox"; 
            //
            // DataGridViewAddColumnDialog 
            // 
            resources.ApplyResources(this, "$this");
            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font; 
            this.CancelButton = this.cancelButton;
            this.AutoSizeMode = System.Windows.Forms.AutoSizeMode.GrowAndShrink;
            this.Controls.Add(this.overarchingTableLayoutPanel);
            this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog; 
            this.HelpButton = true;
            this.MaximizeBox = false; 
            this.MinimizeBox = false; 
            this.Name = "DataGridViewAddColumnDialog";
            this.ShowIcon = false; 
            this.ShowInTaskbar = false;
            this.HelpButtonClicked += new System.ComponentModel.CancelEventHandler(this.DataGridViewAddColumnDialog_HelpButtonClicked);
            this.Closed += new System.EventHandler(this.DataGridViewAddColumnDialog_Closed);
            this.VisibleChanged += new System.EventHandler(this.DataGridViewAddColumnDialog_VisibleChanged); 
            this.Load += new System.EventHandler(this.DataGridViewAddColumnDialog_Load);
            this.HelpRequested += new System.Windows.Forms.HelpEventHandler(this.DataGridViewAddColumnDialog_HelpRequested); 
            this.overarchingTableLayoutPanel.ResumeLayout(false); 
            this.overarchingTableLayoutPanel.PerformLayout();
            this.checkBoxesTableLayoutPanel.ResumeLayout(false); 
            this.checkBoxesTableLayoutPanel.PerformLayout();
            this.okCancelTableLayoutPanel.ResumeLayout(false);
            this.okCancelTableLayoutPanel.PerformLayout();
            this.ResumeLayout(false); 
            this.PerformLayout();
        } 
        #endregion 

        private void dataBoundColumnRadioButton_CheckedChanged(object sender, System.EventArgs e) 
        {
            this.columnInDataSourceLabel.Enabled = this.dataBoundColumnRadioButton.Checked;
            this.dataColumns.Enabled = this.dataBoundColumnRadioButton.Checked;
 
            // push the property name into the headerTextBox and into the nameTextBox
            dataColumns_SelectedIndexChanged(null, EventArgs.Empty); 
        } 

        private void dataColumns_SelectedIndexChanged(object sender, System.EventArgs e) 
        {
            if (this.dataColumns.SelectedItem == null)
            {
                return; 
            }
 
            this.headerTextBox.Text = this.nameTextBox.Text = ((ListBoxItem) this.dataColumns.SelectedItem).PropertyName; 

            // pick a default data grid view column type 
            // NOTE: this will pick one of our data grid view column types
            SetDefaultDataGridViewColumnType(((ListBoxItem) this.dataColumns.SelectedItem).PropertyType);
        }
 
        private void unboundColumnRadioButton_CheckedChanged(object sender, System.EventArgs e)
        { 
            if (this.unboundColumnRadioButton.Checked) 
            {
                this.nameTextBox.Text = this.headerTextBox.Text = this.AssignName(); 
                this.nameTextBox.Focus();
            }
        }
 
        private void DataGridViewAddColumnDialog_Closed(object sender, System.EventArgs e)
        { 
            if (this.persistChangesToDesigner) 
            {
                try 
                {
                    Debug.Assert(this.initialDataGridViewColumnsCount != -1, "did you forget to set the initialDataGridViewColumnsCount when you started the dialog?");
                    IComponentChangeService changeService = (IComponentChangeService) this.liveDataGridView.Site.GetService(iComponentChangeServiceType);
                    if (changeService == null) 
                    {
                        return; 
                    } 

                    // to get good Undo/Redo we need to bring the data grid view column collection 
                    // back to its initial state before firing the componentChanging event
                    DataGridViewColumn[] cols = new DataGridViewColumn[this.liveDataGridView.Columns.Count - this.initialDataGridViewColumnsCount];
                    for (int i = this.initialDataGridViewColumnsCount; i < this.liveDataGridView.Columns.Count; i ++)
                    { 
                        cols[i - this.initialDataGridViewColumnsCount] = this.liveDataGridView.Columns[i];
                    } 
 
                    for (int i = this.initialDataGridViewColumnsCount; i < this.liveDataGridView.Columns.Count; )
                    { 
                        this.liveDataGridView.Columns.RemoveAt(this.initialDataGridViewColumnsCount);
                    }

                    // the data grid view column collection is back to its initial state 
                    // fire the component changing event
                    PropertyDescriptor prop = TypeDescriptor.GetProperties(this.liveDataGridView)["Columns"]; 
                    changeService.OnComponentChanging(this.liveDataGridView, prop); 

                    // add back the data grid view columns the user added using the Add Columns dialog 
                    // But first wipe out the existing display index.
                    for (int i = 0; i < cols.Length; i ++)
                    {
                        cols[i].DisplayIndex = -1; 
                    }
 
                    this.liveDataGridView.Columns.AddRange(cols); 

                    // fire component changed event 
                    changeService.OnComponentChanged(this.liveDataGridView, prop, null, null);
                }
                catch (System.InvalidOperationException)
                { 
                }
            } 
            #if DEBUG 
            else
            { 
                Debug.Assert(this.initialDataGridViewColumnsCount == -1, "did you forget to reset the initialDataGridViewColumnsCount when you started the dialog?");
            }
            #endif // DEBUG
 
            // The DialogResult is OK.
            this.DialogResult = DialogResult.OK; 
        } 

        private void DataGridViewAddColumnDialog_HelpButtonClicked(object sender, CancelEventArgs e) 
        {
            DataGridViewAddColumnDialog_HelpRequestHandled();
            e.Cancel = true;
        } 

        private void DataGridViewAddColumnDialog_HelpRequested(object sender, System.Windows.Forms.HelpEventArgs e) 
        { 
            DataGridViewAddColumnDialog_HelpRequestHandled();
            e.Handled = true; 
        }

        private void DataGridViewAddColumnDialog_HelpRequestHandled()
        { 
            IHelpService helpService = this.liveDataGridView.Site.GetService(iHelpServiceType) as IHelpService;
            if (helpService != null) 
            { 
                helpService.ShowHelpFromKeyword("vs.DataGridViewAddColumnDialog");
            } 
        }

        private void DataGridViewAddColumnDialog_Load(object sender, System.EventArgs e)
        { 
            // setup Visible/ReadOnly/Frozen checkboxes
            // localization will change the check boxes text length 
            if (this.dataBoundColumnRadioButton.Checked) 
            {
                this.headerTextBox.Text = this.nameTextBox.Text = AssignName(); 
            }
            else
            {
                Debug.Assert(this.unboundColumnRadioButton.Checked, "we only have 2 radio buttons"); 
                string columnName = this.AssignName();
                this.headerTextBox.Text = this.nameTextBox.Text = columnName; 
            } 

            PopulateColumnTypesCombo(); 

            PopulateDataColumns();

            EnableDataBoundSection(); 

            this.cancelButton.Text = SR.GetString(SR.DataGridView_Cancel); 
        } 

        private void DataGridViewAddColumnDialog_VisibleChanged(object sender, System.EventArgs e) 
        {
            if (this.Visible && this.IsHandleCreated)
            {
                // we loaded the form 
                if (this.dataBoundColumnRadioButton.Checked)
                { 
                    Debug.Assert(this.dataColumns.Enabled, "dataColumns list box and dataBoundColumnRadioButton should be enabled / disabled in sync"); 
                    this.dataColumns.Select();
                } 
                else
                {
                    Debug.Assert(this.unboundColumnRadioButton.Checked, "We only have 2 radio buttons");
                    this.nameTextBox.Select(); 
                }
            } 
        } 

        private void nameTextBox_Validating(object sender, CancelEventArgs e) 
        {
            IDesignerHost host = null;
            INameCreationService nameCreationService = null;
            IContainer container = null; 

            host = this.liveDataGridView.Site.GetService(iDesignerHostType) as IDesignerHost; 
            if (host != null) 
            {
                container = host.Container; 
            }

            nameCreationService = this.liveDataGridView.Site.GetService(iNameCreationServiceType) as INameCreationService;
 
            string errorString = String.Empty;
            if (!ValidName(this.nameTextBox.Text, 
                           this.dataGridViewColumns, 
                           container,
                           nameCreationService, 
                           this.liveDataGridView.Columns,
                           !this.persistChangesToDesigner,
                           out errorString))
            { 
                IUIService uiService = (IUIService) this.liveDataGridView.Site.GetService(iUIServiceType);
                System.Windows.Forms.Design.DataGridViewDesigner.ShowErrorDialog(uiService, errorString, this.liveDataGridView); 
                e.Cancel = true; 
            }
        } 

        // this code will have to change once we figure out how what to do w/ third party
        // data grid view column types
        private void PopulateColumnTypesCombo() 
        {
            this.columnTypesCombo.Items.Clear(); 
 
            IDesignerHost host = (IDesignerHost) this.liveDataGridView.Site.GetService(iDesignerHostType);
            if (host == null) 
            {
                return;
            }
 
            ITypeDiscoveryService discoveryService = (ITypeDiscoveryService) host.GetService(iTypeDiscoveryServiceType);
 
            if (discoveryService == null) 
            {
                return; 
            }

            ICollection columnTypes = DesignerUtils.FilterGenericTypes(discoveryService.GetTypes(dataGridViewColumnType, false /*excludeGlobalTypes*/));
 
            foreach (Type t in columnTypes)
            { 
                if (t == dataGridViewColumnType) 
                {
                    continue; 
                }

                if (t.IsAbstract)
                { 
                    continue;
                } 
 
                if (!t.IsPublic && !t.IsNestedPublic)
                { 
                    continue;
                }

                DataGridViewColumnDesignTimeVisibleAttribute attr = TypeDescriptor.GetAttributes(t)[dataGridViewColumnDesignTimeVisibleAttributeType] as DataGridViewColumnDesignTimeVisibleAttribute; 
                if (attr != null && !attr.Visible)
                { 
                    continue; 
                }
 
                this.columnTypesCombo.Items.Add(new ComboBoxItem(t));
            }

            // make the textBoxColumn type the selected type 
            this.columnTypesCombo.SelectedIndex = this.TypeToSelectedIndex(typeof(System.Windows.Forms.DataGridViewTextBoxColumn));
        } 
 
        private void PopulateDataColumns()
        { 
            int selectedIndex = this.dataColumns.SelectedIndex;

            this.dataColumns.SelectedIndex = -1;
            this.dataColumns.Items.Clear(); 

            if (this.liveDataGridView.DataSource != null) 
            { 
                CurrencyManager cm = null;
                try 
                {
                    cm = this.BindingContext[this.liveDataGridView.DataSource, this.liveDataGridView.DataMember] as CurrencyManager;
                }
                catch (ArgumentException) 
                {
                    cm = null; 
                } 

                PropertyDescriptorCollection props = cm != null ? cm.GetItemProperties() : null; 

                if (props != null)
                {
                    for (int i = 0; i < props.Count; i ++) 
                    {
                        if (typeof(IList).IsAssignableFrom(props[i].PropertyType)) 
                        { 
                            // we have an IList. It could be a byte[] in which case we want to generate an Image column
                            // 
                            TypeConverter imageTypeConverter = TypeDescriptor.GetConverter(typeof(Image));
                            if (!imageTypeConverter.CanConvertFrom(props[i].PropertyType))
                            {
                                continue; 
                            }
                        } 
 
                        this.dataColumns.Items.Add(new ListBoxItem(props[i].PropertyType, props[i].Name));
                    } 
                }
            }

            if (selectedIndex != -1 && selectedIndex < this.dataColumns.Items.Count) 
            {
                this.dataColumns.SelectedIndex = selectedIndex; 
            } 
            else
            { 
                this.dataColumns.SelectedIndex = this.dataColumns.Items.Count > 0 ? 0 : -1;
            }
        }
 
        private void addButton_Click(object sender, System.EventArgs e)
        { 
            this.cancelButton.Text = SR.GetString(SR.DataGridView_Close); 

            // AddColumn takes all the information from this dialog, makes a DataGridViewColumn out of it 
            // and inserts it at the right index in the data grid view column collection
            this.AddColumn();
        }
 
        private void cancelButton_Click(object sender, System.EventArgs e)
        { 
            this.Close(); 
            /*
            if (this.cancelButtonIsCloseButton) 
            {
                this.AddColumn();
            }
            */ 
        }
 
        protected override bool ProcessDialogKey(Keys keyData) 
        {
            if ((keyData & Keys.Modifiers) == 0) 
            {
                switch (keyData & Keys.KeyCode)
                {
                    case Keys.Enter: 
                        // Validate the name before adding the column.
                        IDesignerHost host = null; 
                        INameCreationService nameCreationService = null; 
                        IContainer container = null;
 
                        host = this.liveDataGridView.Site.GetService(iDesignerHostType) as IDesignerHost;
                        if (host != null)
                        {
                            container = host.Container; 
                        }
 
                        nameCreationService = this.liveDataGridView.Site.GetService(iNameCreationServiceType) as INameCreationService; 

                        string errorString = String.Empty; 
                        if (ValidName(this.nameTextBox.Text,
                                      this.dataGridViewColumns,
                                      container,
                                      nameCreationService, 
                                      this.liveDataGridView.Columns,
                                      !this.persistChangesToDesigner, 
                                      out errorString)) 
                        {
                            this.AddColumn(); 
                            this.Close();
                        }
                        else
                        { 
                            IUIService uiService = (IUIService) this.liveDataGridView.Site.GetService(iUIServiceType);
                            System.Windows.Forms.Design.DataGridViewDesigner.ShowErrorDialog(uiService, errorString, this.liveDataGridView); 
                        } 
                        return true;
                } 
            }

            return base.ProcessDialogKey(keyData);
        } 

        internal void Start(int insertAtPosition, bool persistChangesToDesigner) 
        { 
            this.insertAtPosition = insertAtPosition;
            this.persistChangesToDesigner = persistChangesToDesigner; 

            if (this.persistChangesToDesigner)
            {
                this.initialDataGridViewColumnsCount = this.liveDataGridView.Columns.Count; 
            }
            else 
            { 
                this.initialDataGridViewColumnsCount = -1;
            } 
        }

        private void SetDefaultDataGridViewColumnType(Type type)
        { 
            TypeConverter imageTypeConverter = TypeDescriptor.GetConverter(typeof(System.Drawing.Image));
 
            if (type == typeof(bool) || type == typeof(CheckState)) 
            {
                // get the data grid view check box column type 
                this.columnTypesCombo.SelectedIndex = this.TypeToSelectedIndex(typeof(System.Windows.Forms.DataGridViewCheckBoxColumn));
            }
            else if (typeof(System.Drawing.Image).IsAssignableFrom(type) || imageTypeConverter.CanConvertFrom(type))
            { 
                // get the data grid view image column type
                this.columnTypesCombo.SelectedIndex = this.TypeToSelectedIndex(typeof(System.Windows.Forms.DataGridViewImageColumn)); 
            } 
            else
            { 
                // get the data grid view text box column type
                this.columnTypesCombo.SelectedIndex = this.TypeToSelectedIndex(typeof(System.Windows.Forms.DataGridViewTextBoxColumn));
            }
        } 

        private int TypeToSelectedIndex(Type type) 
        { 
            for (int i = 0; i < this.columnTypesCombo.Items.Count; i ++)
            { 
                if (type == ((ComboBoxItem) this.columnTypesCombo.Items[i]).ColumnType)
                {
                    return i;
                } 
            }
 
            Debug.Assert(false, "we should have found a type by now"); 

            return -1; 
        }

        public static bool ValidName(string name,
                                     DataGridViewColumnCollection columns, 
                                     IContainer container,
                                     INameCreationService nameCreationService, 
                                     DataGridViewColumnCollection liveColumns, 
                                     bool allowDuplicateNameInLiveColumnCollection)
        { 
            if (columns.Contains(name))
            {
                return false;
            } 

            if (container != null && container.Components[name] != null) 
            { 
                if (!allowDuplicateNameInLiveColumnCollection || liveColumns == null || !liveColumns.Contains(name))
                { 
                    return false;
                }
            }
 
            if (nameCreationService != null && !nameCreationService.IsValidName(name))
            { 
                if (!allowDuplicateNameInLiveColumnCollection || liveColumns == null || !liveColumns.Contains(name)) 
                {
                    return false; 
                }
            }

            return true; 
        }
 
        ///  
        ///     A column name is valid if it does not cause any name conflicts in the DataGridViewColumnCollection
        ///     and the IContainer::Component collection. 
        /// 
        public static bool ValidName(string name,
                                     DataGridViewColumnCollection columns,
                                     IContainer container, 
                                     INameCreationService nameCreationService,
                                     DataGridViewColumnCollection liveColumns, 
                                     bool allowDuplicateNameInLiveColumnCollection, 
                                     out string errorString)
        { 
            if (columns.Contains(name))
            {
                errorString = SR.GetString(SR.DataGridViewDuplicateColumnName, name);
                return false; 
            }
 
            if (container != null && container.Components[name] != null) 
            {
                if (!allowDuplicateNameInLiveColumnCollection || liveColumns == null || !liveColumns.Contains(name)) 
                {
                    errorString = SR.GetString(SR.DesignerHostDuplicateName, name);
                    return false;
                } 
            }
 
            if (nameCreationService != null && !nameCreationService.IsValidName(name)) 
            {
                if (!allowDuplicateNameInLiveColumnCollection || liveColumns == null || !liveColumns.Contains(name)) 
                {
                    errorString = SR.GetString(SR.CodeDomDesignerLoaderInvalidIdentifier, name);
                    return false;
                } 
            }
 
            errorString = String.Empty; 
            return true;
        } 

        private class ListBoxItem
        {
            Type propertyType; 
            string propertyName;
 
            public ListBoxItem(Type propertyType, string propertyName) 
            {
                this.propertyType = propertyType; 
                this.propertyName = propertyName;
            }

            public Type PropertyType 
            {
                get 
                { 
                    return this.propertyType;
                } 
            }

            public string PropertyName
            { 
                get
                { 
                    return this.propertyName; 
                }
            } 

            public override string ToString()
            {
                return this.propertyName; 
            }
        } 
 
        private class ComboBoxItem
        { 
            Type columnType;
            public ComboBoxItem(Type columnType)
            {
                this.columnType = columnType; 
            }
 
            public override string ToString() 
            {
                return this.columnType.Name; 
            }

            public Type ColumnType
            { 
                get
                { 
                    return this.columnType; 
                }
            } 
        }
    }
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// Copyright (c) Microsoft Corporation. All rights reserved.
                        

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